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Hours of Operation
Monday: 8 a.m. to 6:30 p.m.
Tuesday: 8 a.m. to 5:30 p.m.
Wednesday: 8 a.m. to 6:30 p.m.
Thursday: 8 a.m. to 6:30 p.m.
Friday: 8 a.m. to 5 p.m.
Saturday: 8–10 a.m. (on call for emergencies only)
Complimentary Meet-and-Greet Appointments
After-Hours Calls
Call our office anytime, 24/7, to connect with a nurse who can help you manage your child's symptoms.
Specialty Services
In addition to primary care, we also offer pediatric cardiology at this location.
Appointments: Call for availability
Important Numbers
Fax: (484) 302-5494
Poison Control: (800) 222-1222
Emergencies: 911
Why Choose Us
At Nemours duPont Pediatrics, Collegeville we partner with your family every step of the way throughout childhood — from before birth to age 18. As part of one of the nation’s leading pediatric health care systems, keeping your child healthy and happy is our primary focus. From well-child exams and immunizations to bumps, bruises, colds and the flu, turn to us for all of your general pediatric care needs.
First Visit
A parent or legal guardian must accompany your child for the first visit. If a legal guardian rather than a parent accompanies your child, the guardian must bring guardianship and custody papers for your child to be seen.
Interpreter Services:
- available for most languages
- available for hearing impaired with advance notice
Doctors & Care Teams
Sarah Sunjung Kim, MD
Practicing Since: 2006
Languages Spoken: English
Languages Spoken: English
Li Chen Tsai, MD
Practicing Since: 1994
Languages Spoken: Taiwanese
Languages Spoken: Taiwanese
Dawn M. Zapotok, MD
Practicing Since: 1997
Languages Spoken: English
Languages Spoken: English
Map & Directions
Parking/Transportation
Free on-site surface parking.
Extra Safety Measures
We have taken every possible precaution to make sure our locations are safe for you and your children, including:
- COVID-19 screening for everyone
- safeguards for social distancing
- everyone over 2 y.o. must wear mask
- deep cleaning daily
Locations & Services
Children can get the full spectrum of pediatric care through our extensive network.
The Best Measles Protection: Vaccination
The United States is seeing the highest number of measles cases since 1994, with reports in 24 states. Call your doctor to make sure your family’s vaccines are up to date.
24/7 Online Doctor Visits
See a Nemours pediatrician for minor illnesses and injuries 365 days a year with on demand doctor visits. Access a live video visit from your mobile device or computer.
Billing Information
Get help with your child's health care expenses. Financial Assistance »
Use online bill pay or send by mail. Pay Your Bill »
Primary Care Blog
Advice from our experts on helping your child grow up happier and healthier.
Nemours App
Get easy, secure access to your child’s medical records, see a pediatrician on-demand, search our award-winning educational content and get other tools designed to help you keep your child healthy. Log In | Learn More »
Note: This app replaces MyNemours. Use your MyNemours username and password to log in.